EP2189994A4 - Core for reactors, its manufacturing method, and reactor - Google Patents

Core for reactors, its manufacturing method, and reactor

Info

Publication number
EP2189994A4
EP2189994A4 EP08830679A EP08830679A EP2189994A4 EP 2189994 A4 EP2189994 A4 EP 2189994A4 EP 08830679 A EP08830679 A EP 08830679A EP 08830679 A EP08830679 A EP 08830679A EP 2189994 A4 EP2189994 A4 EP 2189994A4
Authority
EP
European Patent Office
Prior art keywords
reactors
reactor
core
manufacturing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP08830679A
Other languages
German (de)
French (fr)
Other versions
EP2189994A1 (en
EP2189994B1 (en
Inventor
Atsushi Sato
Toru Maeda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo Electric Industries Ltd
Original Assignee
Sumitomo Electric Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sumitomo Electric Industries Ltd filed Critical Sumitomo Electric Industries Ltd
Publication of EP2189994A1 publication Critical patent/EP2189994A1/en
Publication of EP2189994A4 publication Critical patent/EP2189994A4/en
Application granted granted Critical
Publication of EP2189994B1 publication Critical patent/EP2189994B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F3/00—Cores, Yokes, or armatures
    • H01F3/10—Composite arrangements of magnetic circuits
    • H01F3/14—Constrictions; Gaps, e.g. air-gaps
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
    • H01F1/20—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder
    • H01F1/22—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together
    • H01F1/24—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
    • H01F1/20—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder
    • H01F1/22—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together
    • H01F1/24—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated
    • H01F1/26—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated by macromolecular organic substances
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/24—Magnetic cores
    • H01F27/255—Magnetic cores made from particles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/0206—Manufacturing of magnetic cores by mechanical means
    • H01F41/0246—Manufacturing of magnetic circuits by moulding or by pressing powder
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
    • H01F2027/348—Preventing eddy currents
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
    • H01F27/346—Preventing or reducing leakage fields
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2991—Coated
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2991—Coated
    • Y10T428/2998—Coated including synthetic resin or polymer

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Composite Materials (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Soft Magnetic Materials (AREA)
  • Powder Metallurgy (AREA)
EP08830679A 2007-09-11 2008-09-10 Core for reactors, its manufacturing method, and reactor Active EP2189994B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007235137A JP5067544B2 (en) 2007-09-11 2007-09-11 Reactor core, manufacturing method thereof, and reactor
PCT/JP2008/002508 WO2009034710A1 (en) 2007-09-11 2008-09-10 Core for reactors, its manufacturing method, and reactor

Publications (3)

Publication Number Publication Date
EP2189994A1 EP2189994A1 (en) 2010-05-26
EP2189994A4 true EP2189994A4 (en) 2010-12-29
EP2189994B1 EP2189994B1 (en) 2012-05-16

Family

ID=40451730

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08830679A Active EP2189994B1 (en) 2007-09-11 2008-09-10 Core for reactors, its manufacturing method, and reactor

Country Status (5)

Country Link
US (1) US8313834B2 (en)
EP (1) EP2189994B1 (en)
JP (1) JP5067544B2 (en)
CN (1) CN101802938B (en)
WO (1) WO2009034710A1 (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5368686B2 (en) * 2007-09-11 2013-12-18 住友電気工業株式会社 Soft magnetic material, dust core, method for producing soft magnetic material, and method for producing dust core
JP5293326B2 (en) * 2009-03-25 2013-09-18 セイコーエプソン株式会社 Insulator-coated soft magnetic powder, granulated powder, method for producing insulator-coated soft magnetic powder, dust core and magnetic element
CN102918610B (en) * 2010-05-25 2015-11-25 丰田自动车株式会社 Reactor
CN102290200B (en) * 2011-04-25 2012-12-26 山东大学 Controllable saturable reactor
CN102360766A (en) * 2011-09-05 2012-02-22 山东大学 Controllable transductor with low harmonic
JP6048910B2 (en) * 2011-11-14 2016-12-21 住友電気工業株式会社 Reactor, coil molded body, converter, and power converter
CN104335300A (en) * 2012-05-25 2015-02-04 Ntn株式会社 Powder core, powder core manufacturing method, and method for estimating eddy current loss in powder core
JP2014082382A (en) * 2012-10-17 2014-05-08 Tdk Corp Magnetic powder, inductor element, and method for manufacturing inductor element
GB2511844B (en) * 2013-03-15 2015-12-23 Eisergy Ltd A magnetic component for a switching power supply and a method of manufacturing a magnetic component
JP6580817B2 (en) * 2014-09-18 2019-09-25 Ntn株式会社 Manufacturing method of magnetic core
KR20160140153A (en) * 2015-05-29 2016-12-07 삼성전기주식회사 Coil electronic component and manufacturing method thereof
JP6545640B2 (en) * 2015-06-17 2019-07-17 株式会社タムラ製作所 Method of manufacturing dust core
JP6467376B2 (en) * 2016-06-17 2019-02-13 株式会社タムラ製作所 Manufacturing method of dust core
JP7283031B2 (en) * 2017-03-09 2023-05-30 Tdk株式会社 dust core
CN107808753A (en) * 2017-11-17 2018-03-16 宁波中策亿特电子有限公司 A kind of noise-proofing reactor
US11328872B2 (en) * 2018-12-27 2022-05-10 Tdk Corporation LC composite component
CN111128514A (en) * 2019-12-23 2020-05-08 国网江苏省电力有限公司滨海县供电分公司 Iron core reactor

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001102207A (en) * 1999-09-30 2001-04-13 Tdk Corp Method for production of dust core
US20010016977A1 (en) * 2000-01-12 2001-08-30 Tdk Corporation Coil-embedded dust core production process, and coil-embedded dust core

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5338508A (en) * 1988-07-13 1994-08-16 Kawasaki Steel Corporation Alloy steel powders for injection molding use, their compounds and a method for making sintered parts from the same
US5456770A (en) * 1991-07-30 1995-10-10 Nippon Steel Corporation Amorphous magnetic alloy with high magnetic flux density
US5643352A (en) * 1993-04-23 1997-07-01 H Power Corporation Reactive iron material for use in a hydrogen-generating process in an electrical vehicle
TW428183B (en) * 1997-04-18 2001-04-01 Matsushita Electric Ind Co Ltd Magnetic core and method of manufacturing the same
JP2004319652A (en) 2003-04-15 2004-11-11 Tamura Seisakusho Co Ltd Core and method of manufacturing the same
JP4457682B2 (en) * 2004-01-30 2010-04-28 住友電気工業株式会社 Powder magnetic core and manufacturing method thereof
CN100442403C (en) * 2004-09-30 2008-12-10 住友电气工业株式会社 Soft magnetic material, dust core and method of producing soft magnetic material
JP4613622B2 (en) * 2005-01-20 2011-01-19 住友電気工業株式会社 Soft magnetic material and dust core
JP4701797B2 (en) * 2005-04-04 2011-06-15 Ｊｆｅスチール株式会社 Coated iron-based powder for dust core and dust core
JP4707054B2 (en) * 2005-08-03 2011-06-22 住友電気工業株式会社 Soft magnetic material, method for producing soft magnetic material, dust core, and method for producing dust core
JP4654881B2 (en) * 2005-11-02 2011-03-23 住友電気工業株式会社 Dust core manufactured using soft magnetic material
JP2008270368A (en) * 2007-04-17 2008-11-06 Fuji Electric Device Technology Co Ltd Dust core and method of manufacturing the same
JP5368686B2 (en) * 2007-09-11 2013-12-18 住友電気工業株式会社 Soft magnetic material, dust core, method for producing soft magnetic material, and method for producing dust core

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001102207A (en) * 1999-09-30 2001-04-13 Tdk Corp Method for production of dust core
US20010016977A1 (en) * 2000-01-12 2001-08-30 Tdk Corporation Coil-embedded dust core production process, and coil-embedded dust core

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2009034710A1 *

Also Published As

Publication number Publication date
US20100194516A1 (en) 2010-08-05
WO2009034710A1 (en) 2009-03-19
EP2189994A1 (en) 2010-05-26
US8313834B2 (en) 2012-11-20
CN101802938A (en) 2010-08-11
JP5067544B2 (en) 2012-11-07
EP2189994B1 (en) 2012-05-16
CN101802938B (en) 2012-05-30
JP2009070884A (en) 2009-04-02

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